Whir of Invention [Mystery Booster]

Whir of Invention [Mystery Booster]Set: Mystery Booster Type: Instant Rarity: Rare Cost: {X}{U}{U}{U} Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

• Barbed Lightning deals 3 damage to target player or planeswalker

Set: Guilds of Ravnica Type: Instant Rarity: Common Cost: {2}{U}{B} Choose one or both —

Set: Alpha Edition Type: Sorcery Rarity: Common Cost: {B} Return target creature card from your graveyard to your hand

"I knew a creature carved from a dream of wild freedom

"All men have their appointed time

Ulamog's tentacles

Set: Modern Masters 2017 Type: Enchantment Rarity: Rare Cost: {1}{W} Activated abilities of artifacts can't be activated

Set: Planar Chaos Type: Creature — Human Wizard Rarity: Rare Cost: {4}{R}{R} {3}

Set: Fourth Edition Type: Sorcery Rarity: Uncommon Cost: {3}{R} Destroy all Plains

Set: Modern Masters 2015 Type: Instant Rarity: Common Cost: {R/P} ({R/P} can be paid with either {R} or 2 life

Set: Black & White: Base Set Type: Lightning Rarity: Promo Retreat cost: Colorless

Set: HeartGold & SoulSilver: Call of Legends Type: Metal Rarity: Promo